Integrated circuit for generating a terminal voltage adjustable

Details Integrated circuit for generating a terminal voltage adjustable Integrated circuit for generating a terminal voltage adjustable

1984-04-05

1986-06-17

Roskoski, Bernard

Communications: electrical

Audible indication

Percussion-type sound producer

H03M 100

Patent

active

045959129

ABSTRACT:
An integrated circuit is described which includes a digital/analog converter which together with a reference voltage generator and a current-to-voltage converter is driven by a single supply voltage. To obtain a variable output voltage from a second supply voltage, the reference voltage is dependent on this second voltage. The output voltage can be used as the tuning voltage of tuner diodes.

REFERENCES:
patent: 3978473 (1976-08-01), Pastoriza
patent: 4408190 (1983-10-01), Nagano
"A 12 Bit Monolithic IC D to A Converter", Microelectronics, vol. 3, No. 7, Jul. 70, O'Donoghue, pp. 19-23.
"Dynamic Element Matching for High-Accuracy Monolithic D/A Converters", Van De Plassche, IEEE Journal of Solid State Circuits, vol. SC-11, No. 6, Dec. 1976.
"Analog-Digital Conversion Handbook", pp. I-33-I-34, Analog Devices, Inc. Jun. 1972.

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